Load your crew onto a rumbling siege engine and smash through physics-driven castle walls! Battles run themselves — you steer the tide with spells, three war horns, and perfectly timed ram strikes. Pick a commander, swear an oath, equip skills: every run builds different. 30 stages, then Endless.

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About This Game

Walls exist to be broken.

Siegecrawler is a physics-driven roguelike siege sim: draft fantasy soldiers onto a self-propelled siege engine and send it crashing into castle walls.

■ Your formation is your build Knights, archers, mages, lancers, clerics, berserkers, arbalests — place 7 unit classes freely across siege towers and a battering ram. Squad synergies ("2 knights: melee HP +20%") stack with band bonuses that depend on which deck you place them on.

■ Four commanders, and oaths you'll regret Choose a commander at the start of every run: the Ram King (ram ×1.5, wider Just Hit window — but no ranged units at all), the Arcane Legion (all five spells from turn one, half the deck), the Elite Few (three slots, double the power). Mid-run Oaths are trades, not upgrades — "+50% damage / −25% max HP". Build sharp, and cover the hole yourself.

■ Auto-battles, hands-on command Once launched, the engine drives itself and your crew fights on its own. You bend the battle in real time with five click-cast spells (each on its own cooldown), right-click focus targeting, and three war horns — Advance, Retreat, Focus. And when the ram swings: press Space the instant the gauge fills for a Just Hit — time freezes for a beat and the blow lands with everything you've got.

■ Walls that crumble for real Every wall block is a physics object with its own HP. Shatter the foundation and the whole tower comes down — defenders and all. Colored blocks change what's worth hitting: a Powder Keg takes a third of the castle with it, a Sally Port keeps spawning foes until you break it, a Supply Crate refills your mana. The battlefield itself has moods, too: Rockfall crushes the walls from above, Thunderstorms strike whoever stands highest, Toxic Mire eats at both sides, and a Crumbling Keep topples from a single broken base.

■ Lose the run, widen your options Unit XP persists across runs, but levels grant access, not numbers: each class unlocks 6 skills — you equip 2, and Lv20 unlocks them all. Treasure buys permanent upgrades that widen what you can do — extra skill slots, starting spells, better relic odds — never raw power. You get stronger by combining, not by grinding.

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AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

All character sprites, enemy/boss artwork, backgrounds, effect images, UI icons and illustrations in this game were pre-generated using OpenAI's ChatGPT image generation, then curated and edited by the developer (background keying, trimming, animation assembly). All background music tracks were pre-generated using Google's Gemini music generation and curated by the developer. Sound effects are procedurally synthesized by the game's own code. Store page artwork (capsules, logo) was also pre-generated using ChatGPT. The game does not generate any AI content at runtime (no live-generated content).

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64-bit
    • Processor: Dual-core 2.0 GHz or better
    • Memory: 4 GB RAM
    • Graphics: Vulkan 1.0 compatible GPU
    • Storage: 500 MB available space
    Recommended:
    • Requires a 64-bit processor and operating system
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